53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
#include "Scene.h"
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#include <iostream>
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#include <chrono>
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Scene::Scene() {}
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Scene::~Scene() {}
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static bool firstTime = true;
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void Scene::render(Camera cam, RenderParameter params)
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{
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if (!firstTime)
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{
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pendingCancel = true;
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worker.join();
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firstTime = false;
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}
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pendingCancel = false;
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image.clear();
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accumulator.clear();
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image.resize(params.width * params.height);
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accumulator.resize(params.width * params.height);
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worker = std::thread(
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[&, cam, params]()
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{
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for (int samp = 0; samp < params.numSamples; ++samp)
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{
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if (pendingCancel)
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return;
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Batch batch;
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for (int w = 0; w < params.width; ++w)
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{
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batch.jobs.push_back(
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[&, w]()
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{
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for (int h = 0; h < params.height; ++h)
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{
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// Ray r = Ray();
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// bvh.traceRay(r);
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accumulator[w + h * params.width] +=
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glm::vec3(w / float(params.width * params.numSamples), h / float(params.height * params.numSamples), 0);
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}
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});
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}
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auto start = std::chrono::high_resolution_clock::now();
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threadPool.runBatch(std::move(batch));
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auto end = std::chrono::high_resolution_clock::now();
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std::cout << std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count() << std::endl;
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std::memcpy(image.data(), accumulator.data(), accumulator.size() * sizeof(glm::vec3));
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}
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});
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}
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